diff --git a/IoT/Intro-Arduino.adoc b/IoT/Intro-Arduino.adoc
index f591b31..5fea31b 100644
--- a/IoT/Intro-Arduino.adoc
+++ b/IoT/Intro-Arduino.adoc
@@ -11,7 +11,7 @@ Apostolos rootApostolos@swarmlab.io
 :icons: font
 :sectnums: 
 
-include::../misc/header.adoc[]
+include::header.adoc[]
 
 
 {empty} +
diff --git a/IoT/Intro-IoT.adoc b/IoT/Intro-IoT.adoc
index 69bf0d6..49a2fa6 100644
--- a/IoT/Intro-IoT.adoc
+++ b/IoT/Intro-IoT.adoc
@@ -11,7 +11,7 @@ Apostolos rootApostolos@swarmlab.io
 :icons: font
 :sectnums: 
 
-include::misc/header.adoc[]
+include::header.adoc[]
 
 
 {empty} +
diff --git a/misc/header.adoc b/IoT/header.adoc
similarity index 100%
rename from misc/header.adoc
rename to IoT/header.adoc
diff --git a/IoT/test.adoc b/IoT/test.adoc
deleted file mode 100644
index d1740eb..0000000
--- a/IoT/test.adoc
+++ /dev/null
@@ -1,110 +0,0 @@
-Welcome to AsciiDocLIVE!
-------------------------
-
-AsciiDocLIVE is a *free online http://www.methods.co.nz/asciidoc/[AsciiDoc^]
-editor*.
-
-* Just type AsciiDoc source text into the *left* pane,
-* ...and the live preview appears in the *right* pane!
-
-What's AsciiDoc?
-~~~~~~~~~~~~~~~~~
-
-Hello World
-
-AsciiDoc is a human-readable text document format for writing notes,
-documentation, articles, books, ebooks, slideshows, web pages, man pages and
-blogs, and more. AsciiDoc files can be translated to many formats including
-HTML, PDF, EPUB, and man page.
-
-To learn more, visit the AsciiDoc home page at
-http://www.methods.co.nz/asciidoc/[^].
-
-About AsciiDocLIVE
-~~~~~~~~~~~~~~~~~~
-AsciiDocLIVE is currently in *beta* stage. This means there are likely a _lot_
-of bugs, and even more ways to make it better.
-
-If you have any questions, suggestions or other feedback, please
-feel free to
-https://github.com/jichu4n/asciidoclive/issues/new[create an issue on pass:[<i class="fa fa-github"></i>] GitHub^].
-Hope
-to hear from you soon!
-
-
-[[cheat-sheet]]
-AsciiDoc Mini Cheat Sheet
-~~~~~~~~~~~~~~~~~~~~~~~~~
-
-To help you get started, here're some snippets from the
-http://powerman.name/doc/asciidoc[AsciiDoc Cheet Sheet^]. Feel free to poke
-around :)
-
-Text Styles
-^^^^^^^^^^^
-* normal, _italic_, *bold*, +mono+.
-* ``double quoted'', `single quoted'.
-* normal, ^super^, ~sub~.
-* `passthru *bold*`
-
-Tables
-^^^^^^
-.An example table
-[options="header,footer"]
-|=======================
-|Col 1|Col 2      |Col 3
-|1    |Item 1     |a
-|2    |Item 2     |b
-|3    |Item 3     |c
-|6    |Three items|d
-|=======================
-
-Lists
-^^^^^
-
-* Q: How did the programmer die in the shower?
-  A: He read the shampoo instructions:
-
-  . Lather, rinse.
-  . Repeat.
-
-* There are only 10 kinds of people in this world:
-  - Those who understand binary.
-  - Those who don't.
-
-Misc
-^^^^
-
-* Code listings:
-+
-[source,python]
------------------
-#!/usr/bin/env python
-import antigravity
-try:
-  antigravity.fly()
-except FlytimeError as e:
-  # um...not sure what to do now.
-  pass
------------------
-
-* Quotes:
-+
-[quote,"Charles Dickens","A Tale of Two Cities"]
-It was the best of times, it was the worst of times, it was the age of wisdom,
-it was the age of foolishness...
-
-* Links:
-** http://asciidoclive.com/[AsciiDocLIVE^] is awesome!
-
-* Images:
-+
-image:./test.jpg[alt="not bad.",width=128,height=128]
-
-* Videos:
-+
-video::th_H1gixMEE[youtube]
-
-* Pass-through: pass:[<div align="center"><b>pass through content</b></div>]
-
-
diff --git a/mpi/header.adoc b/mpi/header.adoc
new file mode 100644
index 0000000..6caffd1
--- /dev/null
+++ b/mpi/header.adoc
@@ -0,0 +1,5 @@
+[options="header"]
+|=======================
+|http://docs.swarmlab.io[Home] icon:home[link="http://docs.swarmlab.io", window="_self"]|http://docs.swarmlab.io/Howtos[HowTos] icon:wpbeginner[link="http://docs.swarmlab.io/Howtos", window="_self"]|http://docs.swarmlab.io/lab[Labs] icon:mixcloud[link="http://docs.swarmlab.io/lab", window="_self"]
+|=======================
+[.right.text-center]
diff --git a/mpi/mpi.adoc b/mpi/mpi.adoc
index e71421f..97bc695 100644
--- a/mpi/mpi.adoc
+++ b/mpi/mpi.adoc
@@ -11,7 +11,7 @@ Apostolos rootApostolos@swarmlab.io
 :icons: font
 :sectnums: 
 
-include::misc/header.adoc[]
+include::header.adoc[]
 
 
 {empty} +
diff --git a/sec/ex-1_iptables.adoc b/sec/ex-1_iptables.adoc
index 34584b5..a094141 100644
--- a/sec/ex-1_iptables.adoc
+++ b/sec/ex-1_iptables.adoc
@@ -11,7 +11,7 @@ Apostolos rootApostolos@swarmlab.io
 :icons: font
 :sectnums: 
 
-include::misc/header.adoc[]
+include::header.adoc[]
 
 
 {empty} +
diff --git a/sec/sec.adoc b/sec/sec.adoc
index aee3c9e..aa30d08 100644
--- a/sec/sec.adoc
+++ b/sec/sec.adoc
@@ -12,7 +12,7 @@ Apostolos rootApostolos@swarmlab.io
 :sectnums: 
 
 
-include::misc/header.adoc[]
+include::header.adoc[]